Résultats de la recherche

1. Net-based verification of acoustic techniques used to identify Antarctic krill

   ' using an SDWBA-derived range for Sv120-3, (iii) '2 freq 2-16'- with an Sv120-38 range ... during two cruises to the South Georgia region in 1996. For each net-sampled aggregation the differences ... ) '3 freq model'-using SDWBA-derived ranges for Sv120-38 and Sv200-120, (ii) '2 freq model ... of 2-16 dB and (iv) '2 freq 2-12'-with an Sv120-38 range of 2-12 dB The '3 freq model ...

   Meeting Document : SG-ASAM-09/04 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

2. Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12

   Abstract:  A survey was conducted in order to collect information for the stock status and various ... fish caught by trotline system. A total of 133 killer whales（ Orcinus orca ）were observed at the 30 ...

   Meeting Document : WG-FSA-12/57 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

3. Analysis of trawl data from the South Georgia krill fishery

   trawls were examined to establish the time required for each phase of the operation. The times associated ... variability. The range of measurements indicate that differences existed between years. Particular aspects of ...

   Meeting Document : WG-EMM-97/41 : Auteur(s): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.

4. Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)

   prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... year 2016 we propose to remain the majority of surveys in the Northern Block as were conducted in year ... will be carried out within three years. Implementation of the tagging program in the long-term ...

   Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine

5. Multiyear changes in distribution and abundance of Salpa thompsoni in the Western Antarctic Peninsula region

   responsibility for releasing documents:  CCAMLR Secretariat ... productivity and high water temperature. In recent years the expansion of distribution range of this ...

   Meeting Document : WG-EMM-16/75 : Auteur(s): A. Panasiuk, A. Słomska, J. Wawrzynek, M. Konik and A. Weydmann

6. Responding to climate change: Adélie penguins confront astronomical and ocean boundaries

   latitudes for the remainder of the year. The latitudinal range of the Adélie penguin spans ~22o. Penguins ... penguins almost certainly undertake the longest migrations for the species. Previous work has suggested ... that Adélies require both pack ice and some ambient light at all times of year. Over a 3-yr period ... Island, Ross Sea, the southernmost colonies for any penguin. We acquired data from 3-16 Geolocation ...

   Meeting Document : WG-EMM-10/P11 : Auteur(s): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan

7. Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons

   weight and number, accounting for 93% and 76% of the total catch, respectively, among total of 16 species ... for the three dominant species/genus was mainly divided into three groups using clustering. The three ... generalized linear model with stepwise process for separating two areas, SSRUs 58.4.4aA & 58.4.4bB and ... not considered to be a significant parameter for the catch rate of toothfish in the generalized linear ...

   Meeting Document : WG-FSA-15/21 : Auteur(s): K. Taki and T. Ichii (Japan)

8. Coordinating approaches to incidental mortality arising from fisheries

   on a program of work. Such an approach could provide the basis for a comprehensive and integrated ... fisheries management. The Commission for the Conservation of Antarctic Marine Living Resources (the ... Commission) has adopted an ecosystem approach to managing fisheries which takes into account the direct and ... . CCAMLR has developed a comprehensive system for mitigation of seabird incidental mortality, but ...

   Meeting Document : WG-FSA-03/71 : Auteur(s): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)

9. Patterns and processes in the distribution and dynamics of Antarctic krill

   models of increasing complexity be developed iteratively for variability and patchiness of krill ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ... krill to account for the small scale aggregations. Author(s):  United States of America Title:  Patterns ...

   Meeting Document : SC-CAMLR-VII/BG/20 : Auteur(s): United States of America

10. Classification of Southern Ocean krill and icefish echoes using Random Forests

    underestimated when those methods are used for target identification. Random forests are an objective means for ... Abstract:  Target identification remains a challenge for acoustic surveys of marine fauna ... two or more echosounder frequencies. For commonly used frequencies, however, the differences for krill ... are similar to those for many co-occurring fish species that do not possess swim bladders. At South ...

    Meeting Document : WG-EMM-16/23 : Auteur(s): N. Fallon, S. Fielding and P. Fernandes

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